Appendix AInstruction Set
537
Name, mnemonic, variations,
and symbol
PageOperand data
areas
Function
DECREMENT BINARY
DECB, jDECB
(093)
DECB Wd
Decrements the value of a 4-digit hexadecimal
word (Wd) by one, without affecting carry
(CY).
Wd:
CIO
G
A
DM
DR
IR
316
DOUBLE INCREMENT BCD
INCL, jINCL
(094)
INCL Wd
Increments the 8-digit BCD value contained in
Wd+1 and Wd, without affecting carry (CY).
Wd:
CIO
G
A
DM
316
DOUBLE DECREMENT BCD
DECL, jDECL
(095)
DECL Wd
Decrements the 8-digit BCD value contained
in Wd+1 and Wd, without affecting carry (CY).
Wd:
CIO
G
A
DM
317
DOUBLE INCREMENT BINARY
INBL, jINBL
(096)
INBL Wd
Increments the 8-digit hexadecimal value
contained in Wd+1 and Wd, without affecting
carry (CY).
Wd:
CIO
G
A
DM
317
DOUBLE DECREMENT BINARY
DCBL, jDCBL
(097)
DCBL Wd
Decrements the 8-digit hexadecimal value
contained in Wd+1 and Wd, without affecting
carry (CY).
Wd:
CIO
G
A
DM
318
BCD-TO-BINARY
BIN, jBIN
(100)
BIN S R
Converts 4-digit, BCD data in source word (S)
into 16-bit binary data, and outputs converted
data to result word (R).
S
x10
0
x10
1
x10
2
x10
3
x16
0
x16
1
x16
2
x16
3
(BCD)(BIN)
R
S:
CIO
G
A
T/C
DM
DR
IR
R:
CIO
G
A
DM
DR
IR
219
BINARY-TO-BCD
BCD, jBCD
(101)
BCD S R
Converts binary data in source word (S) into
BCD, and outputs converted data to result
word (R).
x16
0
x16
1
x16
2
x16
3
x10
1
x10
2
x10
3
S R
(BIN) (BCD)
x10
0
S:
CIO
G
A
T/C
DM
DR
IR
R:
CIO
G
A
DM
DR
IR
220